Jar



FIG. 1 is a front elevational view of a jar according to my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines shown in the drawings are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

The ornamental design for a jar, as shown and described. 